v2.0.0: improved duelist unlock badge logic

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Badges.java

@@ -870,7 +870,15 @@ public class Badges {
 		if (Dungeon.hero.belongings.weapon instanceof MeleeWeapon
 				&& ((MeleeWeapon) Dungeon.hero.belongings.weapon).tier >= 2
 				&& ((MeleeWeapon) Dungeon.hero.belongings.weapon).STRReq() <= Dungeon.hero.STR()){
-			displayBadge( Badge.UNLOCK_DUELIST );
+
+			if (Dungeon.hero.belongings.weapon.isIdentified() &&
+					((MeleeWeapon) Dungeon.hero.belongings.weapon).STRReq() <= Dungeon.hero.STR()) {
+				displayBadge(Badge.UNLOCK_DUELIST);
+
+			} else if (!Dungeon.hero.belongings.weapon.isIdentified() &&
+					((MeleeWeapon) Dungeon.hero.belongings.weapon).STRReq(0) <= Dungeon.hero.STR()){
+				displayBadge(Badge.UNLOCK_DUELIST);
+			}
 		}
 	}
 	

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/potions/PotionOfStrength.java

@@ -45,6 +45,7 @@ public class PotionOfStrength extends Potion {
 		GLog.p( Messages.get(this, "msg_2") );
 		
 		Badges.validateStrengthAttained();
+		Badges.validateDuelistUnlock();
 	}
 
 	@Override

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/potions/elixirs/ElixirOfMight.java

@@ -58,6 +58,7 @@ public class ElixirOfMight extends Elixir {
 		GLog.p( Messages.get(this, "msg_2") );
 
 		Badges.validateStrengthAttained();
+		Badges.validateDuelistUnlock();
 	}
 	
 	public String desc() {

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/weapon/Weapon.java

@@ -270,8 +270,10 @@ abstract public class Weapon extends KindOfWeapon {
 		}
 		
 		cursed = false;
-		
-		return super.upgrade();
+
+		Item result = super.upgrade();
+		Badges.validateDuelistUnlock();
+		return result;
 	}
 	
 	@Override